Results 41 to 50 of about 212,255 (260)
Ideas y Valores, 2004 México: Universidad Nacional Autónoma de México~ Instituto de Investigaciones Filosóficas, 2003.
Margot, Jean-Paul, Díaz, Jorge Aurelio
openaire +2 more sources
Clusters agrícolas: un estado del arte para los estudios de competitividad en el campo
Revista de Ciencias Agrícolas, 2015 En el siguiente trabajo se revisó cómo se ha abordado el fenómeno del cluster en la agricultura debido a que el encadenamiento entre eslabones de la producción y los modelos de gestión de sistemas agrícolas son cada vez más importantes para el equilibrio
Lina Tapia +3 more
doaj +1 more source
Carrion ecology: concepts, interdisciplinary synthesis, and perspectives
Biological Reviews, EarlyView.ABSTRACT Carrion is a ubiquitous resource in both terrestrial and aquatic ecosystems, yet it has long been overlooked in ecological research. Over the past two decades, studies on carrion and the many organisms that exploit it have flourished, revealing not only wide‐ranging ecological functions but also significance far beyond ecology.
Marcos Moleón +38 more
wiley +1 more source
The Canadian Journal of Chemical Engineering, EarlyView.Abstract The synthesis and characterization of an amphiphilic nitroxide to be used as a controlling agent in a nitroxide‐mediated living radical polymerization in aqueous dispersion media is presented. In the first stage of nitroxide synthesis (phthalimide protection), two reaction methods were employed: traditional and microwave.
Enrique García‐Leal +3 more
wiley +1 more source
Algunos procedimientos para determinar tamaño de muestra en estudios epidemiológicos
Revista Mexicana de Ciencias Pecuarias, 1989 En la realización de estudios epidemiológicos, en general, es práctica común efectuar trabajos sin determinación previa del número de sujetos (unidades experimentales) que asegure estadísticamente, una adecuada, estimación del parámetro de interés en ...
Feliciano Milian Suazo
doaj
The Canadian Journal of Chemical Engineering, EarlyView.Timeline of key academic milestones and individuals that shaped chemical engineering at FQ‐UNAM and in Mexico. Abstract One hundred years after the beginning of the teaching of Chemical Engineering in Mexico, which started in 1925 in the former National School of Chemical Sciences, currently Faculty of Chemistry (FQ) at National Autonomous University ...
Patricia Pérez‐Salinas +2 more
wiley +1 more source
AI‐Enhanced Laser Manufacturing: A Social Life Cycle Perspective From the White Goods Industry
Corporate Social Responsibility and Environmental Management, EarlyView.ABSTRACT Sustainable manufacturing transitions require companies to demonstrate not only environmental and economic benefits, but also measurable advances in corporate social responsibility (CSR). Therefore, we propose using a guideline‐based Social Life Cycle Assessment (S‐LCA) aligned with UNEP (2020) and ISO 14075 (2024) to evaluate the social ...
Ricardo Mejía‐Marchena +4 more
wiley +1 more source
La historia de los estudios de comunicación en debate
Improntas de la Historia y la Comunicación, 2015 Este artículo se propone indagar, a partir de las recientes problematizaciones sobre la historia de los estudios de comunicación en la Argentina y en América Latina, los relatos «históricos» que se hegemonizaron en el campo hacia finales de los años ...
Emiliano Sánchez Narvarte
doaj
Ecography, EarlyView.Predator–prey interactions are vital to ecosystem functioning but may be disrupted by climate change. We investigated a food‐web network involving three owl species over 24 years in a semi‐arid ecosystem at Bosque Fray Jorge National Park, Chile.
Jazmin M. Quiroz‐Calizaya +12 more
wiley +1 more source